Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7617881 | Articulated crawler tractor | Daniel Dean Radke, Scott S. Hendron, Lawrence William Bergquist, James A. Nagorcka, Lyal Douglas Allen | 2009-11-17 |
| 5511457 | Steering control system for an autonomous machine | Mark Hawkins, Joel L. Peterson | 1996-04-30 |
| 5370038 | Regeneration circuit for a hydraulic system | John Mitchell | 1994-12-06 |